// Copyright (c) 2018, Bosch Software Innovations GmbH.
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#include <gmock/gmock.h>

#include <memory>
#include <vector>

#include <OgreRoot.h>
#include <OgreEntity.h>
#include <OgreManualObject.h>

#include "rviz_rendering/objects/arrow.hpp"
#include "rviz_common/properties/float_property.hpp"

#include "rviz_default_plugins/displays/tf/frame_info.hpp"

#include "../../scene_graph_introspection.hpp"
#include "../display_test_fixture.hpp"

using namespace ::testing;  // NOLINT

class FrameInfoTestFixture : public DisplayTestFixture
{
public:
  FrameInfoTestFixture()
  {
    frame_info_ = std::make_unique<rviz_default_plugins::displays::FrameInfo>(nullptr);
  }

  std::unique_ptr<rviz_default_plugins::displays::FrameInfo> frame_info_;
};

TEST_F(FrameInfoTestFixture, updateArrow_makes_arrow_invisible_if_transform_has_no_translation) {
  auto arrow = std::make_shared<rviz_rendering::Arrow>(scene_manager_);
  frame_info_->parent_arrow_ = arrow.get();
  frame_info_->distance_to_parent_ = 0;
  auto property = std::make_shared<rviz_common::properties::BoolProperty>();
  property->setValue(true);
  frame_info_->enabled_property_ = property.get();

  auto arrows = rviz_default_plugins::findAllArrows(scene_manager_->getRootSceneNode());
  EXPECT_THAT(arrows, SizeIs(1));
  EXPECT_TRUE(rviz_default_plugins::arrowIsVisible(arrows[0]));

  frame_info_->updateParentArrow(Ogre::Vector3::ZERO, Ogre::Vector3::ZERO, 1);

  auto invisible_arrows = rviz_default_plugins::findAllArrows(scene_manager_->getRootSceneNode());
  EXPECT_THAT(invisible_arrows, SizeIs(1));
  EXPECT_FALSE(rviz_default_plugins::arrowIsVisible(invisible_arrows[0]));
}
